@article{GDZPPN002482177,
title = {Linearly Independent Zeros of Quadratic Forms over Number-Fields.},
journal = {Monatshefte f\"ur Mathematik},
volume = {90},
year = {1980},
pages = {13-26},
zbl = {0431.10012},
url = {http://dml.mathdoc.fr/item/GDZPPN002482177}
}
Chalk, J.H.H. Linearly Independent Zeros of Quadratic Forms over Number-Fields.. Monatshefte für Mathematik, Tome 90 (1980) pp. 13-26. http://gdmltest.u-ga.fr/item/GDZPPN002482177/